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Duffel

YC S18

London, GB · Founded 2017 · 55 employees · Hiring · 4 known investors

Duffel provides APIs and software infrastructure that enable companies to offer flights and hotel bookings to their customers. The platform is designed for travel sellers, including airlines, hospitality businesses, and travel platforms seeking to integrate travel commerce capabilities.

Founders & leadership· Y Combinator alumni (S18)

Duffel was founded in 2017 by Steve Domin.

SDSteve Domin
Steve Dominin𝕏Founder · CEO

Investors · 4

Founder mafia

3 people who came through Duffel went on to found or lead other companies.

Competitors · 5

by search overlap
Kayak Software Corporation217 shared keywordsKayak is a travel search and comparison platform that aggregates flight, hotel, and other travel options from multiple providers to help users find and book travel deals.
Ctrip (NASDAQ: TCOM)201 shared keywordsTrip.com is an international online travel service provider offering hotel and flight bookings across a network of over 1.7 million hotels and 600+ airlines, available in 24 languages and 35 currencies across 39 countries and regions. It provides multilingual customer support to travelers worldwide.
Cheapflights99 shared keywordsCheapflights is a travel comparison website that lets users search and compare prices for flights, hotels, and car rentals from multiple airlines, hotel chains, and rental companies side by side. It serves consumer travelers planning domestic and international trips.
Going89 shared keywordsGoing (formerly Scott's Cheap Flights) is a flight-deal alert service that notifies members of discounted airfare to destinations worldwide. Founded in 2013, it serves more than 2 million travelers.
Travelport87 shared keywordsTravelport provides a cloud-based travel commerce platform and APIs (including Travelport+, Smartpoint Cloud, and TripServices) that travel agencies such as OTAs, TMCs, consolidators, and leisure agencies use to search, book, service, and sell airline, hotel, car rental, and rail content. The company operates globally and has partnered with Anthropic and Cognizant to add AI capabilities to its travel retailing infrastructure.

Companies competing with Duffel for the same Google search keywords, organic and paid, via search-intersection analysis.

Companies House · registry record

View on Companies House ↗
Registered name
DUFFEL HOLDINGS LTD
Company number
14146139
Status
Active
Company type
Private limited company
Incorporated
1 Jun 2022
Registered office
Duo, Level 6, 280 Bishopsgate, London, EC2M 4RB
Nature of business (SIC)
64209 — Activities of other holding companies n.e.c.
Accounts
last made up to 31 Dec 2024 · next due 30 Sept 2026
Confirmation statement
last made up to 31 May 2026 · next due 14 Jun 2027

Current officers · 1

  • Zachary Austin Carson director, appointed 1 Jun 2022

Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.

In the news

Frequently asked questions

What does Duffel do?
Duffel provides APIs and software infrastructure that enable companies to offer flights and hotel bookings to their customers. The platform is designed for travel sellers, including airlines, hospitality businesses, and travel platforms seeking to integrate travel commerce capabilities.
Who founded Duffel?
Duffel was founded by Steve Domin in 2017.
Who are Duffel's investors?
Duffel's investors include Blossom Capital, Index Ventures, Kima Ventures, Y Combinator.
Where is Duffel headquartered?
Duffel is headquartered in London, GB.